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Balance Sheet Components - Schedule of Inventory (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Schedule of Investments [Abstract]    
Raw materials $ 1,079 $ 1,376
Work-in-progress 20,600 34,614
Finished goods 5,656 5,575
Total inventories $ 27,335 $ 41,565